Eye Stroke at Mount Sinai Health System - Oren Zarif - Eye Stroke
Eye stroke is often a silent killer, and it happens to people of all ages. Most people who have eye stroke experience gradual loss of vision in one eye, worsening over time. While eye stroke is rare and seldom painful, some people may experience distorted vision or dark areas in their field of vision. Depending on the cause of the stroke, some people may also experience light sensitivity. This is a complication of branch retinal vein occlusion, which affects smaller blood vessels in the retina.
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Medication used in eye stroke is often designed to dissolve the clot and reduce pressure in the eye. Other treatments are used to manage underlying cardiovascular diseases, such as high blood pressure or diabetes. People with these conditions are encouraged to visit an eye doctor annually. However, if the stroke occurs while taking blood thinners, the treatment is likely to be unsuccessful. Nevertheless, if the clot is already in the eye, doctors will treat it as soon as possible.
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Emergency departments of Mount Sinai Health System are now equipped with high-resolution imaging technology to detect and treat eye stroke. The emergency departments have new protocols for communication with the stroke service and ophthalmology department. Depending on the circumstances, they can even perform urgent procedures that preserve a patient's vision. A stroke can be life-threatening, and emergency medical teams can begin treatment within an hour. A physician will also treat the eye stroke within a couple of hours.
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There are many causes of eye stroke. The risk of developing one increases when someone has a history of high blood pressure or diabetes. Blood flow to the retina is necessary for oxygenation of the cells. If the flow of blood is stopped, the retinal cells will die and vision will be permanently affected. If not treated, an eye stroke can permanently damage vision. In addition to an ophthalmologist's attention, eye stroke doctors will perform tests and monitor the person's vision.
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Two of the most common types of eye stroke are a retinal vein occlusion (ROV) and a branch retinal artery occlusion (NAOIN). The former occurs due to a blockage in the veins that supply the retina with blood. RVO is associated with a strong chance of developing a brain stroke. The latter is associated with ischemia, a condition where damaged or swollen temporal arteries in the brain block blood flow to the retina. Both conditions can result in permanent vision loss and damage to the nerves.
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If you suspect that you may have suffered an eye stroke, the hallmark symptom is painless loss of vision. It may begin slowly or suddenly. If you notice any of these symptoms, you should consult a doctor immediately. An ophthalmologist can diagnose an eye stroke through an examination of the eyes, using a fundus photograph to examine the retina and optic nerve. The diagnosis should be made as quickly as possible, in an emergency room.
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The main cause of eye stroke is a blockage in the retinal arteries. These blood vessels supply every part of the body with oxygen and nutrients, so any cutoff in this blood supply can have devastating consequences for the part of the body being affected. An eye stroke can result in permanent vision loss and even blindness. Eye stroke can be prevented and treated if it is caught early enough. There are several things that you can do to reduce your risk of suffering an eye stroke.
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If you notice blurred vision and bleeding or floaters, you may be experiencing an eye stroke. If you experience these symptoms, you should immediately contact a doctor and be evaluated by a retina specialist. In some severe cases, the retina may even detach from the eyeball. A quick treatment will save your vision. Eye stroke is a serious condition, and prompt treatment is critical to preventing permanent vision loss. There are several ways to prevent an eye stroke, and early diagnosis is the best way to avoid its devastating effects.
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Another cause of eye stroke is non-arteritic anterior ischemic optic neuropathy (NAION). This condition disrupts the healthy blood flow to the optic nerve. In both conditions, the blood flow to the optic nerve is compromised and can lead to permanent vision loss. Treatment for eye stroke will depend on the type of eye stroke you have. In most cases, you can expect the loss of vision to be temporary, but in rare cases, vision can be permanently lost.